CN222131283U - A dust removal device for furnace - Google Patents
A dust removal device for furnace Download PDFInfo
- Publication number
- CN222131283U CN222131283U CN202420822673.4U CN202420822673U CN222131283U CN 222131283 U CN222131283 U CN 222131283U CN 202420822673 U CN202420822673 U CN 202420822673U CN 222131283 U CN222131283 U CN 222131283U
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- China
- Prior art keywords
- turbofan
- dust
- shell
- filter
- kiln
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- 239000000428 dust Substances 0.000 title claims abstract description 91
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000010992 reflux Methods 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 25
- 239000002245 particle Substances 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
本实用新型涉及炉窑除尘技术领域，且公开了一种炉窑用除尘装置，包括壳体，壳体内设置有过滤腔，壳体底部设置有与过滤腔相连通的进气口，壳体外壁上开设有与过滤腔相连通的出气口，壳体内还同轴转动设置有涡轮风扇，涡轮风扇外侧还同轴设置有过滤网袋，过滤腔底部设置有回流槽，该炉窑用除尘装置在过滤网袋内表面附着有大量粉尘时，通过启动喷液头朝向涡轮风扇的旋转方向喷射清洗液，利用涡轮风扇的旋转运动带动清洗液沿过滤网袋表面流动，降低粉尘颗粒的附着力，使粉尘易于被清洗除去，并随着清洗液一同从回流出口排出，从而避免粉尘在过滤网袋上大量附着,此外还可以有效减少粉尘在涡轮风扇扇叶上的附着。
The utility model relates to the technical field of furnace dust removal, and discloses a dust removal device for furnaces, comprising a shell, a filter chamber is arranged in the shell, an air inlet connected to the filter chamber is arranged at the bottom of the shell, an air outlet connected to the filter chamber is opened on the outer wall of the shell, a turbofan is coaxially arranged in the shell, a filter bag is coaxially arranged on the outer side of the turbofan, and a reflux groove is arranged at the bottom of the filter chamber. When a large amount of dust is attached to the inner surface of the filter bag, the dust removal device for furnaces sprays cleaning liquid in the direction of rotation of the turbofan by starting a liquid spray head, and utilizes the rotating motion of the turbofan to drive the cleaning liquid to flow along the surface of the filter bag, thereby reducing the adhesion of dust particles, making the dust easy to be cleaned and removed, and discharged from the reflux outlet together with the cleaning liquid, thereby avoiding the adhesion of dust to the filter bag in large quantities, and can also effectively reduce the adhesion of dust to the turbofan blades.
Description
Technical Field
The utility model relates to the technical field of kiln dust removal, in particular to a dust removal device for a kiln.
Background
A dust removing device for a kiln is a device for removing solid particles and particulate matters such as dust, smoke dust and the like in the exhaust of the kiln. In industrial production, kilns are common heat treatment equipment used to heat materials, to perform combustion or other chemical reactions. In the running process of the kiln, the discharged materials contain a large amount of solid particles, and if the solid particles are directly discharged into the atmosphere, the environment pollution and the harm to the human health can be caused. The dust collector for kiln captures and removes solid particles in the kiln exhaust by physical or chemical method, and purifies the exhaust gas. Common dust removal equipment includes cyclone dust collectors, cloth bag dust collectors, electric dust collectors, wet dust collectors and the like. The device can effectively remove solid particles in the kiln emissions, improve the environmental protection performance of the kiln and meet the environmental protection regulation standard. The dust removing device plays a key role in kiln equipment, not only can protect the environment, but also can ensure the health of workers. Therefore, in the kiln production process, a dust removing device is one of indispensable equipment.
However, the existing dust removal device for the kiln needs to replace a cloth bag frequently in the use process, and because the cloth bag replacement needs to be stopped, the production interruption time can be increased, the production progress and the production efficiency are affected, and meanwhile, the maintenance cost is increased, including the cost of purchasing a new cloth bag, manually replacing and the like, and the enterprise operation cost is increased. And some dust can flow back into the kiln after the device stops working, and the dust can be attached to the surface inside the combustion system after entering the kiln, including parts such as a combustion chamber, a burner and the like, so that the dust accumulation in the system is serious. This can affect the proper operation of the combustion system, reduce heat exchange efficiency, increase fuel consumption, and may cause fire hazards.
Disclosure of utility model
The utility model provides the dust removing device for the kiln, which has the advantages of reducing the cloth bag replacement frequency in the using process of the device and reducing the dust reflux and solves the problem that the cloth bag and the dust reflux of the existing dust removing device for the kiln need to be replaced frequently in the using process.
The dust removing device for the kiln comprises a shell, wherein a filter cavity is arranged in the shell, an air inlet communicated with the filter cavity is arranged at the bottom of the shell, a flange structure is arranged around the air inlet, the shell is in a cylindrical shape, an air outlet communicated with the filter cavity is arranged on the outer wall of the shell, a circular turbofan is coaxially and rotatably arranged in the shell, the turbofan is used for exhausting air from the air inlet side surface of the bottom, a filter mesh bag is coaxially arranged on the outer side of the turbofan, the diameter of the filter mesh bag is larger than that of the turbofan, a reflux groove is arranged at the bottom of the filter cavity, the reflux groove and the shell are integrally designed, a reflux outlet penetrating through the shell is further arranged on the reflux groove, and the filter mesh bag is fixedly arranged at the upper end of the reflux groove.
Preferably, the side surface of the shell is further provided with a liquid spraying head communicated with the filter cavity, the liquid spraying head is in sealing connection with the shell, and the liquid spraying direction of the liquid spraying head faces the rotating direction of the turbofan.
Preferably, the filter mesh bag has a diameter smaller than the diameter of the inner wall of the housing.
Preferably, the cross section of the reflux groove is trapezoid with big top and small bottom.
Preferably, the rotating shaft of the turbofan penetrates through the shell and is connected with a motor, and the motor is fixedly installed on the top end face of the shell.
Preferably, the air outlet is coaxially provided with a flange structure.
Compared with the prior art, the utility model provides the dust removing device for the kiln, which has the following beneficial effects:
1. This dust collector for kiln uses through turbofan structure, filter the cooperation of pocket structure, hydrojet head, compare traditional technical structure and can block up the filter pocket after long-time use, and this dust collector for kiln is when filter pocket internal surface adheres to a large amount of dust, spray the washing liquid towards turbofan's direction of rotation through starting the hydrojet head, utilize turbofan's rotary motion to drive washing liquid along filter pocket surface flow, reduce the adhesive force of dust granule, make the dust easily by wasing the removal, and discharge along with the washing liquid together from the return outlet, and turbofan's rotary motion not only can drive the washing liquid and flow on filter pocket surface, can also produce certain scraping power, scrape the dust agglomeration piece that adheres to on filter pocket and discharge to the reflux groove in, discharge the system through the backward flow export, thereby avoid a large amount of adhesion of dust on filter pocket.
2. This dust collector for kiln uses through the cooperation of turbofan structure and hydrojet head structure, compares traditional turbofan and can adhere to a large amount of dust on the flabellum surface after long-time use, and this dust collector for kiln can be through the design that continuously sprays the washing liquid to the direction of rotation of turbofan, not only can effectively reduce the adhesion of dust on the turbofan flabellum, can also avoid the turbofan efficiency reduction because of the flabellum adhesion dust. The regular cleaning method can keep the surface of the turbofan clean, reduce the accumulation of dust on fan blades, prevent the dust from affecting the normal operation and air circulation efficiency of the fan, and in addition, continuously spraying cleaning liquid to the turbofan is also helpful for preventing the dust from forming an adhesive layer on the surface of the fan, reducing wind resistance and improving the working efficiency and performance stability of the fan. Through keeping the fan clean to reduce the influence of adhesion granule, can ensure that turbofan keeps high-efficient, stable operating condition in long-term operation in-process, extension equipment's life reduces maintenance cost.
Drawings
FIG. 1 is a front view showing the structure of a dust removing device for a kiln according to the present utility model;
FIG. 2 is a side view showing the structure of a dust removing device for a kiln according to the present utility model;
FIG. 3 is a top view showing the structure of a dust removing device for a kiln according to the present utility model;
FIG. 4 is a schematic view showing a three-dimensional structure of a dust removing device for a kiln according to the present utility model;
FIG. 5 is a sectional view in the direction A-A of the structure of a dust removing device for a kiln according to the present utility model;
FIG. 6 is a sectional view in the direction B-B of the structure of a dust removing device for a kiln according to the present utility model;
FIG. 7 is a sectional view in the direction C-C of the structure of a dust removing device for a kiln according to the present utility model.
In the figure, the device comprises a 1-shell, a 2-filter cavity, a 3-air inlet, a 4-air outlet, a 5-turbofan, a 6-filter mesh bag, a 7-reflux groove, an 8-reflux outlet, a 9-liquid spray head and a 10-motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a dust collector for a kiln comprises a housing 1, a filter cavity 2 is arranged in the housing 1, an air inlet 3 communicated with the filter cavity 2 is arranged at the bottom of the housing 1, a flange structure is arranged around the air inlet 3, the housing 1 is cylindrical, an air outlet 4 communicated with the filter cavity 2 is arranged on the outer wall of the housing 1, as shown in fig. 7, a circular turbofan 5 is coaxially arranged in the housing 1 in a rotating manner, the turbofan 5 is used for air outlet from the side face of the air inlet at the bottom, the turbofan 5 can better utilize the power of air flowing below from the air inlet at the bottom, the air inlet quantity is increased, and the working efficiency of the fan is improved. Meanwhile, the air outlet from the side surface can avoid directly blowing the flue gas containing dust to the side surface, so that the possibility of re-diffusing the dust is reduced, and the dust removing effect is improved. Meanwhile, due to the design of the air inlet and the air outlet at the side face of the bottom, the fan can fully suck the smoke into the filter cavity 2 for filtering, the thoroughness of dust treatment is guaranteed, the possibility that dust remains in a kiln is effectively reduced, and the dust removal efficiency is improved. Referring to fig. 5, a filter mesh bag 6 is further coaxially disposed on the outer side of the turbofan 5, the diameter of the filter mesh bag 6 is larger than that of the turbofan 5, and by designing that the diameter of the filter mesh bag 6 is larger than that of the turbofan 5, all the smoke pumped by the fan can be ensured to be filtered by the filter mesh bag 6, so that the possibility that dust is diffused into the environment again after entering the fan is avoided, and the dust removing effect is improved. The bottom of the filter cavity 2 is provided with a reflux groove 7, the reflux groove 7 and the shell 1 are designed as a whole, a reflux outlet 8 penetrating through the shell 1 is further formed in the reflux groove 7, and the filter mesh bag 6 is fixedly arranged at the upper end of the reflux groove 7.
Referring to fig. 4, 5 and 6, a liquid spraying head 9 communicated with the filter cavity 2 is further arranged on the side surface of the housing 1, the liquid spraying head 9 is in sealing connection with the housing 1, the liquid spraying direction of the liquid spraying head 9 faces the rotating direction of the turbofan 5, and the liquid spraying head 9 sprays a solution for dissolving dust. When a large amount of dust is attached to the inner surface of the filter mesh bag 6, the cleaning liquid is sprayed towards the rotating direction of the turbofan 5 by starting the liquid spraying head 9, the cleaning liquid is driven to flow along the surface of the filter mesh bag 6 by the rotating motion of the turbofan 5, the flowing cleaning liquid can effectively wet and infiltrate the surface of the filter mesh bag 6, the adhesive force of dust particles is reduced, the dust is easy to be cleaned to remove the dissolved cleaning liquid, flows into the reflux groove 7 and is discharged from the reflux outlet 8. At the same time, the cleaning liquid can dissolve and decompose the dust agglomerates adhered to the filter mesh bag 6 to a certain extent, so that the dust agglomerates can be easily removed. Meanwhile, the structure can avoid frequent blockage of the filter screen bag 6 and also avoid the efficiency reduction of the turbofan 5 caused by dust adhesion of the fan blades. The regular cleaning method can keep the surface of the turbofan 5 clean, reduce the accumulation of dust on fan blades, prevent the dust from affecting the normal operation and air circulation efficiency of the fan, and in addition, continuously spraying cleaning liquid to the turbofan 5 is also helpful for preventing the dust from forming an adhesive layer on the surface of the fan, reducing wind resistance and improving the working efficiency and performance stability of the fan. By keeping the fan clean and reducing the influence of adhering particles, it is possible to ensure that the turbofan 5 maintains a highly efficient, stable operating state during long-term operation, to extend the service life of the apparatus, and to reduce maintenance costs. The diameter of the filter screen bag 6 is smaller than that of the inner wall of the shell 1, and a certain gap exists between the filter screen bag 6 and the shell 1 due to the fact that the diameter of the filter screen bag 6 is smaller than that of the inner wall of the shell 1, so that more flowing space can be provided for cleaning liquid, the cleaning liquid can fully cover the surface of the filter screen bag 6, and dust is effectively removed. The cross section of the reflux groove 7 is in a trapezoid shape with a large upper part and a small lower part, the reflux groove 7 in the trapezoid shape can help the cleaning fluid to naturally flow to the lower part along the surface of the reflux groove 7, the possibility that the cleaning fluid stays in the reflux groove 7 is reduced, the reflux efficiency of the cleaning fluid is improved, the possibility that the cleaning fluid enters the kiln is reduced, and the damage to equipment and materials inside the kiln is avoided. The position of the air outlet 4 is coaxially provided with a flange structure. The rotating shaft of the turbofan 5 penetrates through the shell 1 and is connected with a motor 10, and the motor 10 is fixedly arranged on the top end face of the shell 1.
The working principle is that when the filter screen bag is used, the air inlet 3 is connected to the air outlet of the kiln and is sealed through a flange structure, the motor 10 is started to drive the turbofan 5 to rotate, so that negative pressure is generated in the filter cavity 2, smoke in the air outlet of the kiln is pumped into the filter cavity 2 for filtering, when the smoke moves into the filter cavity 2 and diffuses outwards along the circumferential direction of the smoke, the smoke is discharged through the filter screen bag 6 and the air outlet 4 in the diffusion process, when a large amount of dust is attached to the inner surface of the filter screen bag 6, cleaning liquid is sprayed towards the rotating direction of the turbofan 5 by starting the liquid spraying head 9, the cleaning liquid is driven to flow along the surface of the filter screen bag 6 by the rotating motion of the turbofan 5, the flowing cleaning liquid can effectively wet and infiltrate the surface of the filter screen bag 6, the adhesive force of dust particles is reduced, the dust is easy to be cleaned and removed to dissolve in the cleaning liquid, flows into the reflux groove 7, and is discharged from the reflux outlet 8. At the same time, the cleaning liquid can dissolve and decompose the dust agglomerates adhered to the filter mesh bag 6 to a certain extent, so that the dust agglomerates can be easily removed. And the rotary motion of the turbofan 5 can drive the cleaning liquid to flow on the surface of the filter mesh bag 6, and can generate certain scraping force to scrape off the dust condensation blocks attached to the filter mesh bag 6 and discharge the dust condensation blocks into the reflux groove 7, and the dust condensation blocks are discharged out of the system through the reflux outlet 8. At the same time, the spray head 9 continuously sprays cleaning liquid to the rotation direction of the turbofan 5, so that dust attached to the blades of the turbofan 5 can be reduced, and the efficiency of the turbofan 5 is prevented from being reduced due to dust attached to the blades.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a dust collector for kiln, includes casing (1), be provided with filter chamber (2) in casing (1), casing (1) bottom be provided with air inlet (3) that filter chamber (2) are linked together, be provided with flange structure around air inlet (3), wherein casing (1) are the cylinder shape, offer on casing (1) outer wall with gas outlet (4) that filter chamber (2) are linked together, still coaxial rotation is provided with in casing (1) and is annular turbofan (5), turbofan (5) are from bottom air inlet side air-out, the outside of turbofan (5) is still coaxial be provided with filter pocket (6), filter pocket (6) diameter is greater than turbofan (5) diameter, filter chamber (2) bottom is provided with reflux groove (7), reflux groove (7) with casing (1) are integrative design, reflux outlet (8) that run through in casing (1) have still been seted up on reflux groove (7), filter pocket (6) are in fixed mounting on reflux end (7).
2. The dust collector for kiln of claim 1, wherein the side of the shell (1) is further provided with a liquid spraying head (9) communicated with the filter cavity (2), the liquid spraying head (9) is in sealing connection with the shell (1), and the liquid spraying direction of the liquid spraying head (9) faces the rotating direction of the turbofan (5).
3. The dust removing device for a kiln according to claim 1, characterized in that the diameter of the filter mesh bag (6) is smaller than the diameter of the inner wall of the shell (1).
4. The dust collector for kiln according to claim 1, wherein the cross section of the reflux groove (7) is in a trapezoid shape with a big top and a small bottom.
5. The dust removing device for a kiln according to claim 1, wherein the rotating shaft of the turbofan (5) penetrates through the shell (1) and is connected with a motor (10), and the motor (10) is fixedly arranged on the top end face of the shell (1).
6. The dust collector for kiln of claim 1, wherein the air outlet (4) is coaxially provided with a flange structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420822673.4U CN222131283U (en) | 2024-04-19 | 2024-04-19 | A dust removal device for furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420822673.4U CN222131283U (en) | 2024-04-19 | 2024-04-19 | A dust removal device for furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222131283U true CN222131283U (en) | 2024-12-10 |
Family
ID=93739553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420822673.4U Active CN222131283U (en) | 2024-04-19 | 2024-04-19 | A dust removal device for furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222131283U (en) |
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2024
- 2024-04-19 CN CN202420822673.4U patent/CN222131283U/en active Active
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